Twelve vaned crown for a solid-phase reaction support pin



FIG. 1 is a front, left side perspective view of a twelve vaned crown for a solid-phase reaction support pin showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a cross sectional view taken along the line 7--7 in FIG. 5 and looking towards the front of the crown; and,

FIG. 8 is a back view thereof. 

The ornamental design for a twelve vaned crown for a solid-phase reaction support pin, as shown and described. 